Home / 22,347.28-30,839.63-12,276.69

Finding the Fourth Proportional to 22,347.28, 30,839.63 and 12,276.69

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Solution

The fourth proportional to 22,347.28, 30,839.63 and 12,276.69 is: 16,942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,347.28 : 30,839.63 = 12,276.69 : x
  2. Step 2: Convert to fraction form
    22,347.28/30,839.63 = 12,276.69/x
  3. Step 3: Cross multiply
    22,347.28x = 30,839.63 × 12,276.69
  4. Step 4: Simplify right side
    22,347.28x = 378,608,577.22
  5. Step 5: Solve for x
    x = 378,608,577.22/22,347.28
  6. Step 6: Final answer
    x = 16,942.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.